65070640

素因数分解:

$2^4\times 5^1\times {\mathrm{813383}}^1$

素因数の和:813396

約数の個数: 20

約数和(自身を含む): 151289424

約数和(自身を除く): 86218784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 813383, 1626766, 3253532, 4066915, 6507064, 8133830, 13014128, 16267660, 32535320, 65070640]

約数ペア:

[(1, 65070640), (2, 32535320), (4, 16267660), (5, 13014128), (8, 8133830), (10, 6507064), (16, 4066915), (20, 3253532), (40, 1626766), (80, 813383)]